Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 445

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-445 A Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-445 0 Elkridge MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-445 1 Elkridge MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2015-04-17   
443-445 2 Elkridge MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-445 3 Elkridge MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-445 4 Elkridge MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 5 Elkridge MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 6 Elkridge MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2005-02-15   
443-445 7 Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238   2004-02-16   
443-445 8 Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238   2004-02-16   
443-445 9 Elkridge MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2001-11-19   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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